./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c7bd21-cada-40b4-beb6-f63816c018b8/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c7bd21-cada-40b4-beb6-f63816c018b8/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c7bd21-cada-40b4-beb6-f63816c018b8/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c7bd21-cada-40b4-beb6-f63816c018b8/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c7bd21-cada-40b4-beb6-f63816c018b8/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c7bd21-cada-40b4-beb6-f63816c018b8/bin/uautomizer-DQz5hQGWxF --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 31d3a3aeaf14432da9165203c4752dfec5aaba4c58389408b391b2b6f44be3f5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:31:26,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:31:26,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:31:26,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:31:26,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:31:26,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:31:26,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:31:26,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:31:26,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:31:26,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:31:26,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:31:26,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:31:26,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:31:26,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:31:26,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:31:26,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:31:26,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:31:26,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:31:26,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:31:26,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:31:26,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:31:26,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:31:26,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:31:26,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:31:26,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:31:26,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:31:26,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:31:26,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:31:26,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:31:26,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:31:26,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:31:26,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:31:26,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:31:26,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:31:26,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:31:26,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:31:26,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:31:26,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:31:26,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:31:26,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:31:26,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:31:26,220 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c7bd21-cada-40b4-beb6-f63816c018b8/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 07:31:26,255 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:31:26,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:31:26,256 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:31:26,256 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:31:26,258 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:31:26,258 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:31:26,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:31:26,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:31:26,259 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:31:26,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:31:26,260 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:31:26,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:31:26,261 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:31:26,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:31:26,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:31:26,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:31:26,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:31:26,262 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:31:26,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:31:26,262 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:31:26,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:31:26,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:31:26,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:31:26,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:31:26,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:31:26,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:31:26,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:31:26,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:31:26,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:31:26,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:31:26,264 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:31:26,264 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:31:26,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:31:26,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:31:26,265 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_05c7bd21-cada-40b4-beb6-f63816c018b8/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c7bd21-cada-40b4-beb6-f63816c018b8/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31d3a3aeaf14432da9165203c4752dfec5aaba4c58389408b391b2b6f44be3f5 [2021-11-20 07:31:26,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:31:26,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:31:26,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:31:26,585 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:31:26,585 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:31:26,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c7bd21-cada-40b4-beb6-f63816c018b8/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2021-11-20 07:31:26,656 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c7bd21-cada-40b4-beb6-f63816c018b8/bin/uautomizer-DQz5hQGWxF/data/6353e9fa7/770bb9d156a14fdeb4bd3202bc08576c/FLAG7d8278c9d [2021-11-20 07:31:27,326 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:31:27,327 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c7bd21-cada-40b4-beb6-f63816c018b8/sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2021-11-20 07:31:27,354 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c7bd21-cada-40b4-beb6-f63816c018b8/bin/uautomizer-DQz5hQGWxF/data/6353e9fa7/770bb9d156a14fdeb4bd3202bc08576c/FLAG7d8278c9d [2021-11-20 07:31:27,627 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c7bd21-cada-40b4-beb6-f63816c018b8/bin/uautomizer-DQz5hQGWxF/data/6353e9fa7/770bb9d156a14fdeb4bd3202bc08576c [2021-11-20 07:31:27,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:31:27,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:31:27,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:31:27,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:31:27,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:31:27,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:31:27" (1/1) ... [2021-11-20 07:31:27,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f7cb2fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:31:27, skipping insertion in model container [2021-11-20 07:31:27,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:31:27" (1/1) ... [2021-11-20 07:31:27,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:31:27,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:31:27,981 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_05c7bd21-cada-40b4-beb6-f63816c018b8/sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c[13075,13088] [2021-11-20 07:31:28,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:31:28,030 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:31:28,109 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_05c7bd21-cada-40b4-beb6-f63816c018b8/sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c[13075,13088] [2021-11-20 07:31:28,128 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:31:28,147 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:31:28,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:31:28 WrapperNode [2021-11-20 07:31:28,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:31:28,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:31:28,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:31:28,150 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:31:28,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:31:28" (1/1) ... [2021-11-20 07:31:28,189 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:31:28" (1/1) ... [2021-11-20 07:31:28,234 INFO L137 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 239 [2021-11-20 07:31:28,235 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:31:28,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:31:28,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:31:28,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:31:28,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:31:28" (1/1) ... [2021-11-20 07:31:28,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:31:28" (1/1) ... [2021-11-20 07:31:28,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:31:28" (1/1) ... [2021-11-20 07:31:28,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:31:28" (1/1) ... [2021-11-20 07:31:28,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:31:28" (1/1) ... [2021-11-20 07:31:28,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:31:28" (1/1) ... [2021-11-20 07:31:28,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:31:28" (1/1) ... [2021-11-20 07:31:28,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:31:28,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:31:28,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:31:28,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:31:28,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:31:28" (1/1) ... [2021-11-20 07:31:28,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:31:28,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c7bd21-cada-40b4-beb6-f63816c018b8/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:31:28,324 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c7bd21-cada-40b4-beb6-f63816c018b8/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:31:28,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c7bd21-cada-40b4-beb6-f63816c018b8/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:31:28,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:31:28,367 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-20 07:31:28,368 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-20 07:31:28,368 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-20 07:31:28,368 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-20 07:31:28,368 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-20 07:31:28,369 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-20 07:31:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-20 07:31:28,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-20 07:31:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-20 07:31:28,369 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-20 07:31:28,370 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-11-20 07:31:28,370 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-11-20 07:31:28,370 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-20 07:31:28,370 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-20 07:31:28,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:31:28,371 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-20 07:31:28,371 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-20 07:31:28,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:31:28,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:31:28,444 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:31:28,446 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:31:28,771 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:31:28,779 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:31:28,779 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 07:31:28,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:31:28 BoogieIcfgContainer [2021-11-20 07:31:28,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:31:28,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:31:28,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:31:28,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:31:28,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:31:27" (1/3) ... [2021-11-20 07:31:28,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df06b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:31:28, skipping insertion in model container [2021-11-20 07:31:28,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:31:28" (2/3) ... [2021-11-20 07:31:28,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df06b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:31:28, skipping insertion in model container [2021-11-20 07:31:28,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:31:28" (3/3) ... [2021-11-20 07:31:28,803 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product24.cil.c [2021-11-20 07:31:28,809 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:31:28,809 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 07:31:28,878 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:31:28,887 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 [2021-11-20 07:31:28,887 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:31:28,926 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 67 states have (on average 1.373134328358209) internal successors, (92), 76 states have internal predecessors, (92), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-20 07:31:28,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-20 07:31:28,943 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:31:28,944 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:31:28,944 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:31:28,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:31:28,950 INFO L85 PathProgramCache]: Analyzing trace with hash 551112364, now seen corresponding path program 1 times [2021-11-20 07:31:28,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:31:28,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323419243] [2021-11-20 07:31:28,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:31:28,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:31:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:29,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:31:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:29,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:31:29,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:31:29,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323419243] [2021-11-20 07:31:29,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323419243] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:31:29,266 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:31:29,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:31:29,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783070768] [2021-11-20 07:31:29,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:31:29,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 07:31:29,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:31:29,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 07:31:29,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:31:29,312 INFO L87 Difference]: Start difference. First operand has 92 states, 67 states have (on average 1.373134328358209) internal successors, (92), 76 states have internal predecessors, (92), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 07:31:29,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:31:29,381 INFO L93 Difference]: Finished difference Result 176 states and 239 transitions. [2021-11-20 07:31:29,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:31:29,384 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2021-11-20 07:31:29,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:31:29,401 INFO L225 Difference]: With dead ends: 176 [2021-11-20 07:31:29,402 INFO L226 Difference]: Without dead ends: 83 [2021-11-20 07:31:29,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:31:29,412 INFO L933 BasicCegarLoop]: 116 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, 116 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 [2021-11-20 07:31:29,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:31:29,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-11-20 07:31:29,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-11-20 07:31:29,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 60 states have (on average 1.3) internal successors, (78), 68 states have internal predecessors, (78), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-20 07:31:29,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 107 transitions. [2021-11-20 07:31:29,498 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 107 transitions. Word has length 23 [2021-11-20 07:31:29,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:31:29,499 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 107 transitions. [2021-11-20 07:31:29,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 07:31:29,499 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 107 transitions. [2021-11-20 07:31:29,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-20 07:31:29,504 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:31:29,505 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:31:29,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:31:29,506 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:31:29,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:31:29,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1768428516, now seen corresponding path program 1 times [2021-11-20 07:31:29,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:31:29,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228535124] [2021-11-20 07:31:29,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:31:29,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:31:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:29,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-20 07:31:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:29,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:31:29,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:31:29,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228535124] [2021-11-20 07:31:29,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228535124] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:31:29,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:31:29,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:31:29,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680704766] [2021-11-20 07:31:29,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:31:29,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:31:29,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:31:29,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:31:29,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:31:29,634 INFO L87 Difference]: Start difference. First operand 83 states and 107 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 07:31:29,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:31:29,660 INFO L93 Difference]: Finished difference Result 127 states and 163 transitions. [2021-11-20 07:31:29,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:31:29,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2021-11-20 07:31:29,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:31:29,666 INFO L225 Difference]: With dead ends: 127 [2021-11-20 07:31:29,667 INFO L226 Difference]: Without dead ends: 74 [2021-11-20 07:31:29,674 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:31:29,677 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 17 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 166 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 [2021-11-20 07:31:29,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 166 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:31:29,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-11-20 07:31:29,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-11-20 07:31:29,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 62 states have internal predecessors, (71), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-20 07:31:29,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 95 transitions. [2021-11-20 07:31:29,698 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 95 transitions. Word has length 24 [2021-11-20 07:31:29,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:31:29,699 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 95 transitions. [2021-11-20 07:31:29,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 07:31:29,700 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2021-11-20 07:31:29,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-20 07:31:29,707 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:31:29,707 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:31:29,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:31:29,708 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:31:29,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:31:29,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1665800283, now seen corresponding path program 1 times [2021-11-20 07:31:29,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:31:29,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980666686] [2021-11-20 07:31:29,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:31:29,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:31:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:29,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 07:31:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:29,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:31:29,838 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:31:29,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980666686] [2021-11-20 07:31:29,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980666686] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:31:29,839 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:31:29,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:31:29,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209229435] [2021-11-20 07:31:29,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:31:29,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:31:29,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:31:29,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:31:29,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:31:29,842 INFO L87 Difference]: Start difference. First operand 74 states and 95 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 07:31:29,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:31:29,977 INFO L93 Difference]: Finished difference Result 183 states and 238 transitions. [2021-11-20 07:31:29,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:31:29,978 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2021-11-20 07:31:29,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:31:29,980 INFO L225 Difference]: With dead ends: 183 [2021-11-20 07:31:29,981 INFO L226 Difference]: Without dead ends: 116 [2021-11-20 07:31:29,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:31:29,983 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 158 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:31:29,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 315 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:31:29,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-11-20 07:31:30,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 113. [2021-11-20 07:31:30,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 83 states have (on average 1.3373493975903614) internal successors, (111), 94 states have internal predecessors, (111), 17 states have call successors, (17), 12 states have call predecessors, (17), 12 states have return successors, (18), 12 states have call predecessors, (18), 17 states have call successors, (18) [2021-11-20 07:31:30,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 146 transitions. [2021-11-20 07:31:30,004 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 146 transitions. Word has length 29 [2021-11-20 07:31:30,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:31:30,004 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 146 transitions. [2021-11-20 07:31:30,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 07:31:30,005 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 146 transitions. [2021-11-20 07:31:30,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-20 07:31:30,006 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:31:30,007 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:31:30,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:31:30,007 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:31:30,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:31:30,008 INFO L85 PathProgramCache]: Analyzing trace with hash -675855478, now seen corresponding path program 1 times [2021-11-20 07:31:30,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:31:30,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687330585] [2021-11-20 07:31:30,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:31:30,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:31:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:30,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 07:31:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:30,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:31:30,130 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:31:30,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687330585] [2021-11-20 07:31:30,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687330585] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:31:30,131 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:31:30,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:31:30,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732366743] [2021-11-20 07:31:30,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:31:30,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:31:30,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:31:30,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:31:30,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:31:30,134 INFO L87 Difference]: Start difference. First operand 113 states and 146 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 07:31:30,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:31:30,350 INFO L93 Difference]: Finished difference Result 325 states and 431 transitions. [2021-11-20 07:31:30,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:31:30,351 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2021-11-20 07:31:30,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:31:30,355 INFO L225 Difference]: With dead ends: 325 [2021-11-20 07:31:30,355 INFO L226 Difference]: Without dead ends: 219 [2021-11-20 07:31:30,356 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:31:30,357 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 66 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:31:30,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 466 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:31:30,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2021-11-20 07:31:30,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 213. [2021-11-20 07:31:30,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 154 states have (on average 1.3246753246753247) internal successors, (204), 175 states have internal predecessors, (204), 34 states have call successors, (34), 24 states have call predecessors, (34), 24 states have return successors, (38), 24 states have call predecessors, (38), 34 states have call successors, (38) [2021-11-20 07:31:30,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 276 transitions. [2021-11-20 07:31:30,396 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 276 transitions. Word has length 32 [2021-11-20 07:31:30,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:31:30,397 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 276 transitions. [2021-11-20 07:31:30,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 07:31:30,397 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 276 transitions. [2021-11-20 07:31:30,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-20 07:31:30,399 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:31:30,399 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:31:30,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:31:30,400 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:31:30,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:31:30,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1268763314, now seen corresponding path program 1 times [2021-11-20 07:31:30,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:31:30,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344861534] [2021-11-20 07:31:30,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:31:30,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:31:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:30,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:31:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:30,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 07:31:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:31:30,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:31:30,502 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:31:30,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344861534] [2021-11-20 07:31:30,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344861534] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:31:30,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:31:30,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:31:30,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521833230] [2021-11-20 07:31:30,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:31:30,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:31:30,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:31:30,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:31:30,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:31:30,510 INFO L87 Difference]: Start difference. First operand 213 states and 276 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 07:31:30,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:31:30,698 INFO L93 Difference]: Finished difference Result 373 states and 489 transitions. [2021-11-20 07:31:30,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:31:30,699 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2021-11-20 07:31:30,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:31:30,700 INFO L225 Difference]: With dead ends: 373 [2021-11-20 07:31:30,700 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 07:31:30,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:31:30,702 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 55 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:31:30,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 143 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:31:30,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 07:31:30,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 07:31:30,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:31:30,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 07:31:30,704 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2021-11-20 07:31:30,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:31:30,705 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:31:30,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 07:31:30,705 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 07:31:30,705 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 07:31:30,708 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 07:31:30,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 07:31:30,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 07:31:31,508 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 818 825) the Hoare annotation is: true [2021-11-20 07:31:31,509 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 818 825) no Hoare annotation was computed. [2021-11-20 07:31:31,509 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 818 825) no Hoare annotation was computed. [2021-11-20 07:31:31,509 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 751 757) no Hoare annotation was computed. [2021-11-20 07:31:31,509 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 751 757) the Hoare annotation is: true [2021-11-20 07:31:31,510 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 449 460) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-11-20 07:31:31,510 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 449 460) no Hoare annotation was computed. [2021-11-20 07:31:31,510 INFO L858 garLoopResultBuilder]: For program point L453-1(lines 449 460) no Hoare annotation was computed. [2021-11-20 07:31:31,510 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 623 652) no Hoare annotation was computed. [2021-11-20 07:31:31,510 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 641) no Hoare annotation was computed. [2021-11-20 07:31:31,510 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 623 652) the Hoare annotation is: true [2021-11-20 07:31:31,511 INFO L861 garLoopResultBuilder]: At program point L637-1(lines 637 641) the Hoare annotation is: true [2021-11-20 07:31:31,511 INFO L858 garLoopResultBuilder]: For program point L634(line 634) no Hoare annotation was computed. [2021-11-20 07:31:31,511 INFO L861 garLoopResultBuilder]: At program point L633-2(lines 633 647) the Hoare annotation is: true [2021-11-20 07:31:31,511 INFO L861 garLoopResultBuilder]: At program point L629(line 629) the Hoare annotation is: true [2021-11-20 07:31:31,511 INFO L858 garLoopResultBuilder]: For program point L629-1(line 629) no Hoare annotation was computed. [2021-11-20 07:31:31,512 INFO L861 garLoopResultBuilder]: At program point L648(lines 623 652) the Hoare annotation is: true [2021-11-20 07:31:31,512 INFO L858 garLoopResultBuilder]: For program point L644(line 644) no Hoare annotation was computed. [2021-11-20 07:31:31,512 INFO L854 garLoopResultBuilder]: At program point L799(line 799) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-20 07:31:31,512 INFO L854 garLoopResultBuilder]: At program point L795(line 795) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-20 07:31:31,512 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 727 750) no Hoare annotation was computed. [2021-11-20 07:31:31,513 INFO L854 garLoopResultBuilder]: At program point L804(line 804) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2021-11-20 07:31:31,513 INFO L854 garLoopResultBuilder]: At program point L804-1(lines 785 809) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2021-11-20 07:31:31,513 INFO L854 garLoopResultBuilder]: At program point L833(lines 826 836) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-20 07:31:31,513 INFO L858 garLoopResultBuilder]: For program point L738-1(lines 738 744) no Hoare annotation was computed. [2021-11-20 07:31:31,513 INFO L858 garLoopResultBuilder]: For program point L544(line 544) no Hoare annotation was computed. [2021-11-20 07:31:31,513 INFO L858 garLoopResultBuilder]: For program point L429(lines 429 433) no Hoare annotation was computed. [2021-11-20 07:31:31,514 INFO L854 garLoopResultBuilder]: At program point L429-2(lines 425 436) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-20 07:31:31,514 INFO L854 garLoopResultBuilder]: At program point L842(lines 837 845) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))))) [2021-11-20 07:31:31,514 INFO L854 garLoopResultBuilder]: At program point L520(line 520) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-20 07:31:31,514 INFO L858 garLoopResultBuilder]: For program point L520-1(line 520) no Hoare annotation was computed. [2021-11-20 07:31:31,514 INFO L854 garLoopResultBuilder]: At program point L545(lines 540 547) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-20 07:31:31,515 INFO L858 garLoopResultBuilder]: For program point L731-1(lines 730 749) no Hoare annotation was computed. [2021-11-20 07:31:31,515 INFO L858 garLoopResultBuilder]: For program point L793(lines 793 801) no Hoare annotation was computed. [2021-11-20 07:31:31,515 INFO L858 garLoopResultBuilder]: For program point L789(lines 789 806) no Hoare annotation was computed. [2021-11-20 07:31:31,515 INFO L854 garLoopResultBuilder]: At program point L831(line 831) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-20 07:31:31,515 INFO L858 garLoopResultBuilder]: For program point L831-1(line 831) no Hoare annotation was computed. [2021-11-20 07:31:31,516 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 727 750) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-20 07:31:31,516 INFO L858 garLoopResultBuilder]: For program point L526(lines 526 532) no Hoare annotation was computed. [2021-11-20 07:31:31,516 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 727 750) no Hoare annotation was computed. [2021-11-20 07:31:31,516 INFO L858 garLoopResultBuilder]: For program point L522(lines 522 535) no Hoare annotation was computed. [2021-11-20 07:31:31,516 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 544) no Hoare annotation was computed. [2021-11-20 07:31:31,517 INFO L854 garLoopResultBuilder]: At program point L522-1(lines 514 538) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification1_spec__1_~tmp~3#1| 0)))) [2021-11-20 07:31:31,517 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 461 469) the Hoare annotation is: true [2021-11-20 07:31:31,517 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 461 469) no Hoare annotation was computed. [2021-11-20 07:31:31,517 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 461 469) no Hoare annotation was computed. [2021-11-20 07:31:31,517 INFO L858 garLoopResultBuilder]: For program point L601(lines 601 607) no Hoare annotation was computed. [2021-11-20 07:31:31,518 INFO L854 garLoopResultBuilder]: At program point L601-2(lines 593 608) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| 1)) [2021-11-20 07:31:31,518 INFO L858 garLoopResultBuilder]: For program point L564(lines 563 612) no Hoare annotation was computed. [2021-11-20 07:31:31,518 INFO L861 garLoopResultBuilder]: At program point L692(lines 685 694) the Hoare annotation is: true [2021-11-20 07:31:31,518 INFO L858 garLoopResultBuilder]: For program point L593(lines 593 608) no Hoare annotation was computed. [2021-11-20 07:31:31,518 INFO L861 garLoopResultBuilder]: At program point L717(lines 698 720) the Hoare annotation is: true [2021-11-20 07:31:31,519 INFO L854 garLoopResultBuilder]: At program point L940(lines 936 942) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) [2021-11-20 07:31:31,519 INFO L854 garLoopResultBuilder]: At program point L907(line 907) the Hoare annotation is: false [2021-11-20 07:31:31,519 INFO L854 garLoopResultBuilder]: At program point L585(line 585) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| 1)) [2021-11-20 07:31:31,519 INFO L854 garLoopResultBuilder]: At program point L610(lines 563 612) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| 1)) [2021-11-20 07:31:31,519 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 07:31:31,520 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 07:31:31,520 INFO L858 garLoopResultBuilder]: For program point L573(lines 573 579) no Hoare annotation was computed. [2021-11-20 07:31:31,520 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 07:31:31,520 INFO L858 garLoopResultBuilder]: For program point L573-1(lines 573 579) no Hoare annotation was computed. [2021-11-20 07:31:31,520 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2021-11-20 07:31:31,520 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 07:31:31,521 INFO L854 garLoopResultBuilder]: At program point L921(lines 916 923) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| 1) (not (= 0 ~systemActive~0))) [2021-11-20 07:31:31,521 INFO L854 garLoopResultBuilder]: At program point L913(lines 901 915) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| 1)) [2021-11-20 07:31:31,521 INFO L854 garLoopResultBuilder]: At program point L682(lines 678 684) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~5#1| 1) (not (= 0 ~systemActive~0))) [2021-11-20 07:31:31,521 INFO L858 garLoopResultBuilder]: For program point L905(lines 905 911) no Hoare annotation was computed. [2021-11-20 07:31:31,521 INFO L858 garLoopResultBuilder]: For program point L905-1(lines 905 911) no Hoare annotation was computed. [2021-11-20 07:31:31,522 INFO L861 garLoopResultBuilder]: At program point L616(lines 553 620) the Hoare annotation is: true [2021-11-20 07:31:31,522 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 589) no Hoare annotation was computed. [2021-11-20 07:31:31,522 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 583 589) no Hoare annotation was computed. [2021-11-20 07:31:31,522 INFO L854 garLoopResultBuilder]: At program point L575(line 575) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| 1)) [2021-11-20 07:31:31,522 INFO L854 garLoopResultBuilder]: At program point L955(lines 950 958) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2021-11-20 07:31:31,523 INFO L854 garLoopResultBuilder]: At program point L947(lines 943 949) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) [2021-11-20 07:31:31,523 INFO L854 garLoopResultBuilder]: At program point L613(lines 562 614) the Hoare annotation is: false [2021-11-20 07:31:31,523 INFO L858 garLoopResultBuilder]: For program point L708(lines 708 715) no Hoare annotation was computed. [2021-11-20 07:31:31,523 INFO L858 garLoopResultBuilder]: For program point L708-2(lines 708 715) no Hoare annotation was computed. [2021-11-20 07:31:31,523 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 437 448) no Hoare annotation was computed. [2021-11-20 07:31:31,524 INFO L858 garLoopResultBuilder]: For program point L441-1(lines 437 448) no Hoare annotation was computed. [2021-11-20 07:31:31,524 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 437 448) the Hoare annotation is: true [2021-11-20 07:31:31,524 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 759 783) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-11-20 07:31:31,524 INFO L854 garLoopResultBuilder]: At program point L773(line 773) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-11-20 07:31:31,524 INFO L854 garLoopResultBuilder]: At program point L897(lines 882 900) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-11-20 07:31:31,525 INFO L854 garLoopResultBuilder]: At program point L769(line 769) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-11-20 07:31:31,525 INFO L858 garLoopResultBuilder]: For program point L767(lines 767 775) no Hoare annotation was computed. [2021-11-20 07:31:31,525 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 759 783) no Hoare annotation was computed. [2021-11-20 07:31:31,525 INFO L858 garLoopResultBuilder]: For program point L763(lines 763 780) no Hoare annotation was computed. [2021-11-20 07:31:31,525 INFO L854 garLoopResultBuilder]: At program point L507(lines 502 510) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-11-20 07:31:31,525 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 895) no Hoare annotation was computed. [2021-11-20 07:31:31,526 INFO L858 garLoopResultBuilder]: For program point L891-2(lines 891 895) no Hoare annotation was computed. [2021-11-20 07:31:31,526 INFO L854 garLoopResultBuilder]: At program point L778(line 778) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-11-20 07:31:31,526 INFO L858 garLoopResultBuilder]: For program point L778-1(lines 759 783) no Hoare annotation was computed. [2021-11-20 07:31:31,529 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-20 07:31:31,531 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:31:31,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:31:31 BoogieIcfgContainer [2021-11-20 07:31:31,549 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:31:31,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:31:31,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:31:31,550 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:31:31,550 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:31:28" (3/4) ... [2021-11-20 07:31:31,553 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 07:31:31,559 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-20 07:31:31,560 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-20 07:31:31,560 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-20 07:31:31,560 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-20 07:31:31,560 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-20 07:31:31,560 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-20 07:31:31,561 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-20 07:31:31,561 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2021-11-20 07:31:31,570 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2021-11-20 07:31:31,571 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-20 07:31:31,571 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-20 07:31:31,572 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-20 07:31:31,573 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 07:31:31,573 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 07:31:31,574 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 07:31:31,598 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive) [2021-11-20 07:31:31,598 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) [2021-11-20 07:31:31,598 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1 [2021-11-20 07:31:31,599 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-20 07:31:31,606 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2021-11-20 07:31:31,607 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) [2021-11-20 07:31:31,607 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) [2021-11-20 07:31:31,608 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-20 07:31:31,608 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1 [2021-11-20 07:31:31,608 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) [2021-11-20 07:31:31,609 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2021-11-20 07:31:31,609 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-20 07:31:31,609 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2021-11-20 07:31:31,664 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c7bd21-cada-40b4-beb6-f63816c018b8/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 07:31:31,665 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:31:31,665 INFO L158 Benchmark]: Toolchain (without parser) took 4034.34ms. Allocated memory was 104.9MB in the beginning and 155.2MB in the end (delta: 50.3MB). Free memory was 76.7MB in the beginning and 84.8MB in the end (delta: -8.0MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2021-11-20 07:31:31,666 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:31:31,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.34ms. Allocated memory was 104.9MB in the beginning and 155.2MB in the end (delta: 50.3MB). Free memory was 76.5MB in the beginning and 121.1MB in the end (delta: -44.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 07:31:31,666 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.03ms. Allocated memory is still 155.2MB. Free memory was 121.1MB in the beginning and 118.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:31:31,667 INFO L158 Benchmark]: Boogie Preprocessor took 31.62ms. Allocated memory is still 155.2MB. Free memory was 118.7MB in the beginning and 117.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:31:31,667 INFO L158 Benchmark]: RCFGBuilder took 522.37ms. Allocated memory is still 155.2MB. Free memory was 117.3MB in the beginning and 100.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-20 07:31:31,667 INFO L158 Benchmark]: TraceAbstraction took 2756.72ms. Allocated memory is still 155.2MB. Free memory was 100.5MB in the beginning and 91.1MB in the end (delta: 9.4MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2021-11-20 07:31:31,668 INFO L158 Benchmark]: Witness Printer took 115.39ms. Allocated memory is still 155.2MB. Free memory was 91.1MB in the beginning and 84.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 07:31:31,671 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.34ms. Allocated memory was 104.9MB in the beginning and 155.2MB in the end (delta: 50.3MB). Free memory was 76.5MB in the beginning and 121.1MB in the end (delta: -44.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.03ms. Allocated memory is still 155.2MB. Free memory was 121.1MB in the beginning and 118.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.62ms. Allocated memory is still 155.2MB. Free memory was 118.7MB in the beginning and 117.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 522.37ms. Allocated memory is still 155.2MB. Free memory was 117.3MB in the beginning and 100.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2756.72ms. Allocated memory is still 155.2MB. Free memory was 100.5MB in the beginning and 91.1MB in the end (delta: 9.4MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Witness Printer took 115.39ms. Allocated memory is still 155.2MB. Free memory was 91.1MB in the beginning and 84.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 544]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 304 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 296 mSDsluCounter, 1206 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 736 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 134 IncrementalHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 470 mSDtfsCounter, 134 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=213occurred in iteration=4, InterpolantAutomatonStates: 25, 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, 5 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 378 PreInvPairs, 428 NumberOfFragments, 320 HoareAnnotationTreeSize, 378 FomulaSimplifications, 36 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 43 FomulaSimplificationsInter, 1317 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 271 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && !(0 == systemActive) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && !(0 == systemActive) - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) RESULT: Ultimate proved your program to be correct! [2021-11-20 07:31:31,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c7bd21-cada-40b4-beb6-f63816c018b8/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE